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Casio 5415 - PRG-280 Manual

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E-16
2. Press
D
to move the fl ashing in the sequence shown below to select the other settings.
City Code DST
Illumination
Duration
Button Operation
Tone On/Off
Day Month
12/24-Hour
Format
Seconds Hour
Year
Minutes
• The following steps explain how to confi gure timekeeping settings only.
3. When the timekeeping setting you want to change is fl ashing, use
E
and/or
B
to change it as
described below.
Screen To do this: Do this:
Change the city code Use
E
(East) and
B
(West).
Toggle between daylight saving time (
ON
) and
standard time (
OFF
).
Press
E
.
Toggle between 12-hour (
12H
) and 24-hour (
24H
)
timekeeping.
Press
E
.
Reset the seconds to
00
(If the current seconds count is between 30 and 59,
one is added to the minute count).
Press
E
.
Change the hour or minutes
Use
E
(+) and
B
(–).
Change the year, month, or day
E-17
4. After all of the settings are the way you want, press
A
to exit the setting screen.
Note
• For information about selecting a Home City and confi guring the DST setting, see “Confi guring
Home City Settings” (page E-13).
• While the 12-hour format is selected for timekeeping, a P (PM) indicator will appear for times from
noon to 11:59 p.m. No indicator appears for times from midnight to 11:59 a.m. With 24-hour format,
time is displayed from 0:00 to 23:59, without any P (PM) indicator.
• The watch’s built-in full automatic calendar makes allowances for different month lengths and leap
years. Once you set the date, there should be no reason to change it except after you have the
watch’s battery replaced.
• The day of the week changes automatically as the date and/or year changes. Make sure that your
date and year settings are correct.
• Refer to the pages shown below for more information on Timekeeping Mode settings.
- Button operation tone on/off: “To enable or disable the button operation tone” (page E-51)
- Illumination duration setting: “To change the illumination duration” (page E-47)
E-18
Hand Home Position Adjustment
Strong magnetism or impact can cause the hands of the watch to be off.
• Home position adjustment is not necessary when the analog time and digital time are the same time in
the Timekeeping Mode.
To adjust home positions
1. In the Timekeeping Mode, hold down
A
and keep it depressed for
about fi ve seconds until
H.SET
appears on the lower display.
• When you release
A
after H.SET appears, the second hand will
move to 12 o’clock. This indicates the second hand home position
adjustment mode.
• Though ADJ will appear in the lower display about two seconds
after you hold down
A
, do not release the button yet. Keep it
depressed until H.SET appears.
• Use the
D
button to select a hand for adjustment. Each press
of
D
cycles in sequence from the second hand, to the hour and
minute hands, and then the mode dial hand. Selecting a hand
causes it to move to 12 o’clock and the content of the upper
display changes as shown in the table below.
Upper display Selected hand
Flashing
00
Second hand
Flashing
0:00
Hour and minute hands
Flashing
Sub
Mode dial hand
E-19
• If the selected hand does not move exactly to 12 o’clock, perform step 2 below to adjust it.
• The watch will return to regular timekeeping automatically if you do not perform any operation for
about two or three minutes. Any changes you have made to settings up to that point will be saved.
2. Use
E
(+) and
B
(–) to adjust the position of the currently selected hand.
• Holding down either button will cause the hand to move at high speed. Once started, high-speed
hand movement will continue even if you release the button. To stop high-speed hand movement,
press any button.
• The second hand and mode dial hand will automatically stop high-speed movement after they
complete one revolution. The minute hand will stop automatically after 12 revolutions.
3. Press
A
to exit home position correction and return to regular timekeeping.
Note
After performing home position adjustment, check to make sure that the analog hands and the upper
display indicate the same time. If they do not, perform home position adjustment again.
E-20
Using the Digital Compass
You can use the Digital Compass Mode to determine the direction of north, and to check your bearing to a
destination.
• For information about what you can do to improve digital compass reading accuracy, see “Calibrating
the Bearing Sensor” (page E-23) and “Digital Compass Precautions” (page E-31).
To perform a digital compass operation
1. Place the watch on a fl at surface. If you are wearing the watch, make sure that your wrist is horizontal
(in relation to the horizon).
2. Point the 12 o’clock position of the watch in the direction you want to check.
3. In any mode (except a setting mode), press
C
to perform a digital compass operation.
• This will cause the mode dial hand to move to COMPASS.
• COMP will appear in the lower display to indicate that a digital compass operation is in progress.
• After about two seconds, the second hand will point in the direction of magnetic north. The
bearing and direction angle value will appear on the digital display.
E-21
315°
0°
Objective Bearing Indication
Meaning
N: North
E: East
W: West
S: South
Bearing to Objective:
Northwest
Bearing Angle
to Objective
North
• See “Digital Compass Readings” (page E-22) for information about how direction readings are
indicated by the watch.
Note
• If there is an angle value in the lower display, it means that the bearing memory record (page
E-28) is displayed. If this happens, press
E
to exit the bearing memory record.
4. To return to the mode you were in immediately before entering the Digital Compass Mode, press
D
.
To enter the Timekeeping Mode, hold down
D
for at least two seconds.
E-22
Digital Compass Readings
• After the fi rst reading is obtained, the watch will continue to take digital compass readings automatically
each second for up to 20 seconds. After that, the digital compass operation will stop automatically.
• The direction indicator and angle value will show
- - -
to indicate that the digital compass operation is
complete.
• The auto light switch is disabled during the 20 seconds that digital compass readings are being taken.
• The following table shows the meanings of each of the direction abbreviations that appear on the lower
display.
Direction Meaning Direction Meaning Direction Meaning Direction Meaning
N
North
NNE
North-
northeast
NE
Northeast
ENE
East-
northeast
E
East
ESE
East-
southeast
SE
Southeast
SSE
South-
southeast
S
South
SSW
South-
southwest
SW
Southwest
WSW
West-
southwest
W
West
WNW
West-
northwest
NW
Northwest
NNW
North-
northwest
• The margin of error for the angle value and the direction indicator is ±15 degrees while the watch is
horizontal (in relation to the horizon). If the indicated direction is northwest (
NW
) and 315 degrees, for
example, the actual direction can be anywhere from 300 to 330 degrees.
• Note that performing a digital compass operation while the watch is not horizontal (in relation to the
horizon) can result in large error.
• You can calibrate the bearing sensor if you suspect the direction reading is incorrect.
E-23
• Any ongoing digital compass operation is paused temporarily while the watch is performing an alert
operation (daily alarm, Hourly Time Signal, countdown timer alarm) or while illumination is turned on (by
pressing
B
). The digital compass operation resumes for its remaining duration after the operation that
caused it to pause is fi nished.
• See “Digital Compass Precautions” (page E-31) for important information about taking direction readings.
• The direction indicated by the Digital Compass is magnetic north.
You can use Magnetic Declination Correction to confi gure the watch to indicate true north, if you want.
For details, see “Magnetic Declination Correction” below, “To perform magnetic declination correction”
(page E-26), and “Magnetic North and True North” (page E-31).
Calibrating the Bearing Sensor
You should calibrate the bearing sensor whenever you feel that the direction readings being produced by
the watch are off. You can use any one of two different bearing sensor calibration methods: bidirectional
calibration or magnetic declination correction.
•
Bidirectional Calibration
Bidirectional calibration calibrates the bearing sensor in relation to magnetic north. Use bidirectional
calibration when you want to take readings within an area exposed to magnetic force. This type of
calibration should be used if the watch becomes magnetized for any reason.
Important!
• To ensure correct direction readings by the digital compass, be sure to perform bidirectional calibration
before using it. The digital compass may produce incorrect direction readings if you do not perform
bidirectional calibration.
Operation Guide 5415
3


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  • I replaced both batteries in Pro Trek PRG-280 watch. Watch is running.. second hand moving.. in timekeeping mode when holding in the "adjust" button.. nothing changes. Where day of week should display is showing the word "OPEN". Suggestions on what i need to do/ Submitted on 1-9-2021 at 17:10

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